wwhere is the park neutral switch and how do i change it? on 2003 Chevrolet Venture

engine wont start, tested battery,alternator and starter all good clean tight connection. in the dash on the shifter display the park and neutral light don t come on all others D 123 aal work. i think its the park neutral switch is not working does anyone know where i can find it?

Asked by for the 2003 Chevrolet Venture